Cindri Madelta, and Muhammad Putra Dinata Saragi. 2026. “Development of Interactive Flipbook Game Media Based on Cheerful Twin Cards to Train the Memory of Students at SMP Negeri 17 Medan”. International Journal of Education, Vocational and Social Science 5 (03), 8084-8108. https://doi.org/10.63922/ijevss.v5i03.5996.